87831196 has 6 divisors (see below), whose sum is σ = 153704600. Its totient is φ = 43915596.

The previous prime is 87831193. The next prime is 87831209. The reversal of 87831196 is 69113878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87831193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10978896 + ... + 10978903.

Almost surely, 2^87831196 is an apocalyptic number.

It is an amenable number.

87831196 is a deficient number, since it is larger than the sum of its proper divisors (65873404).

87831196 is a wasteful number, since it uses less digits than its factorization.

87831196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21957803 (or 21957801 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 87831196 is about 9371.8299173641. The cubic root of 87831196 is about 444.5114294501.

The spelling of 87831196 in words is "eighty-seven million, eight hundred thirty-one thousand, one hundred ninety-six".